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Journal of Optometry

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https://www.readbyqxmd.com/read/28676353/more-sensitive-correlation-of-afferent-pupillary-defect-with-ganglion-cell-complex
#1
Eulogio Besada, Barry J Frauens, Rim Makhlouf, Diana Shechtman, Julie Rodman, Marlon Demeritt, Patrick Hardigan
PURPOSE: This study investigated the correlation between the relative afferent pupillary defect (RAPD) and retinal nerve fiber layer thickness (RNFLT) in optic neuropathy. METHODS: RAPD assessment was performed using a log unit neutral density filter bar. Spectral domain optical coherence tomography RTVue-100 (Optovue) was used to examine the subjects. The optic nerve head pattern (ONH) was subdivided and identified for the purpose of the study into circumpapillary RNFLT (cpRNFLT) and peripheral circumpapillary RNFLT (pcpRNFLT)...
July 1, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28676352/assessment-of-neuro-optometric-rehabilitation-using-the-developmental-eye-movement-dem-test-in-adults-with-acquired-brain-injury
#2
Neera Kapoor, Kenneth Joseph Ciuffreda
PURPOSE: This pilot study sought to determine the efficacy of using the Developmental Eye Movement (DEM) test in the adult, acquired brain injury (ABI) population to quantify clinically the effects of controlled, laboratory-performed, oculomotor-based vision therapy/vision rehabilitation. METHODS: Nine adult subjects with mild traumatic brain injury (mTBI) and five with stroke were assessed before and after an eight-week, computer-based, versional oculomotor (fixation, saccades, pursuit, and simulated reading) training program (9...
July 1, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28629902/relationship-between-vessel-diameter-and-depth-measurements-within-the-limbus-using-ultra-high-resolution-optical-coherence-tomography
#3
Emmanuel Alabi, Natalie Hutchings, Kostadinka Bizheva, Trefford Simpson
PURPOSE: To establish a relationship between the diameter and depth position of vessels in the superior and inferior corneo-scleral limbus using ultra-high resolution optical coherence tomography (UHR-OCT). METHODS: Volumetric OCT images of the superior and inferior limbus were acquired from 14 healthy subjects with a research-grade UHR-OCT system. Differences in vessel diameter and depth between superior and inferior limbus were analyzed using repeated measured ANOVA in SPSS and R...
June 16, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28619486/extended-depth-of-focus-contact-lenses-vs-two-commercial-multifocals-part-2-visual-performance-after-1-week-of-lens-wear
#4
Ravi C Bakaraju, Daniel Tilia, Jennifer Sha, Jennie Diec, Jiyoon Chung, Danny Kho, Shona Delaney, Anna Munro, Varghese Thomas
PURPOSE: To compare the visual performance of prototype contact lenses designed via deliberate manipulation of higher-order spherical aberrations to extend-depth-of-focus with two commercial multifocals, after 1 week of lens wear. METHODS: In a prospective, participant-masked, cross-over, randomized, 1-week dispensing clinical-trial, 43 presbyopes [age: 42-63 years] each wore AIROPTIX Aqua multifocal (AOMF), ACUVUE OASYS for presbyopia (AOP) and extended-depth-of-focus prototypes (EDOF) appropriate to their add requirements...
June 12, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28606456/extended-depth-of-focus-contact-lenses-vs-two-commercial-multifocals-part-1-optical-performance-evaluation-via-computed-through-focus-retinal-image-quality-metrics
#5
Ravi C Bakaraju, Klaus Ehrmann, Arthur Ho
PURPOSE: To compare the computed optical performance of prototype lenses designed using deliberate manipulation of higher-order spherical aberrations to extend depth-of-focus (EDOF) with two commercial multifocals. METHODS: Emmetropic, presbyopic, schematic eyes were coupled with prototype EDOF and commercial multifocal lenses (Acuvue Oasys for presbyopia, AOP, Johnson & Johnson & Air Optix Aqua multifocal, AOMF, Alcon). For each test configuration, the through-focus retinal image quality (TFRIQ) values were computed over 21 vergences, ranging from -0...
June 9, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28601401/orbital-magnetic-resonance-imaging-is-useful-in-age-related-distance-esotropia
#6
Pilar Gómez de Liaño Sanchez, Gloria Olavarri González, Pilar Merino Sanz, Jose C Escribano Villafruela
PURPOSE: To describe findings for orbital magnetic resonance imaging (MRI) in patients with age-related distance esotropia (ARDE). METHODS: We compared 31 orbital MRI from patients with ARDE (77±7 SD years) with 2 control groups: 32 orbits from individuals aged 18-50 years (33±8 SD years) and 16 orbits from individuals aged >60 years (77±7 SD years). MRI scans were acquired using 3D fast field echo in T1 sequence without fat saturation. Exclusion criteria for all groups were neurological or thyroid disease and a relevant ophthalmological history (e...
June 7, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28599912/efficacy-of-vision-therapy-in-children-with-learning-disability-and-associated-binocular-vision-anomalies
#7
Jameel Rizwana Hussaindeen, Prerana Shah, Krishna Kumar Ramani, Lalitha Ramanujan
PURPOSE: To report the frequency of binocular vision (BV) anomalies in children with specific learning disorders (SLD) and to assess the efficacy of vision therapy (VT) in children with a non-strabismic binocular vision anomaly (NSBVA). METHODS: The study was carried out at a centre for learning disability (LD). Comprehensive eye examination and binocular vision assessment was carried out for 94 children (mean (SD) age: 15 (2.2) years) diagnosed with specific learning disorder...
June 6, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28599911/refraction-during-incipient-presbyopia-the-aston-longitudinal-assessment-of-presbyopia-alap-study
#8
Deborah S Laughton, Amy L Sheppard, Leon N Davies
PURPOSE: To investigate non-cycloplegic changes in refractive error prior to the onset of presbyopia. METHODS: The Aston Longitudinal Assessment of Presbyopia (ALAP) study is a prospective 2.5 year longitudinal study, measuring objective refractive error using a binocular open-field WAM-5500 autorefractor at 6-month intervals in participants aged between 33 and 45 years. RESULTS: From the 58 participants recruited, 51 participants (88%) completed the final visit...
June 6, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28646980/binocular-vision-in-the-twenty-first-century
#9
Kenneth J Ciuffreda
No abstract text is available yet for this article.
July 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28499859/reply-to-letter-to-the-editor-by-griffiths-et-al-commenting-on-evans-allen
#10
LETTER
Bruce J W Evans, Peter M Allen
No abstract text is available yet for this article.
July 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28254360/the-effect-of-letter-string-length-and-report-condition-on-letter-recognition-accuracy
#11
Avesh Raghunandan, Berta Karmazinaite, Andrea S Rossow
PURPOSE: Letter sequence recognition accuracy has been postulated to be limited primarily by low-level visual factors. The influence of high level factors such as visual memory (load and decay) has been largely overlooked. This study provides insight into the role of these factors by investigating the interaction between letter sequence recognition accuracy, letter string length and report condition. METHODS: Letter sequence recognition accuracy for trigrams and pentagrams were measured in 10 adult subjects for two report conditions...
July 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28126262/changes-in-stimulus-and-response-ac-a-ratio-with-vision-therapy-in-convergence-insufficiency
#12
Neeraj Kumar Singh, Revathy Mani, Jameel Rizwana Hussaindeen
PURPOSE: To evaluate the changes in the stimulus and response Accommodative Convergence to Accommodation (AC/A) ratio following vision therapy (VT) in Convergence Insufficiency (CI). METHODS: Stimulus and response AC/A ratio were measured on twenty five CI participants, pre and post 10 sessions of VT. Stimulus AC/A ratio was measured using the gradient method and response AC/A ratio was calculated using modified Thorington technique with accommodative responses measured using WAM-5500 open-field autorefractor...
July 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28063870/letter-to-the-editor-concerning-a-systematic-review-of-controlled-trials-on-visual-stress-using-intuitive-overlays-or-colorimeter
#13
LETTER
Philip G Griffiths, Robert H Taylor, Lisa M Henderson, Brendan T Barrett
No abstract text is available yet for this article.
July 2017: Journal of Optometry
https://www.readbyqxmd.com/read/27890547/a-delphi-study-to-develop-practical-diagnostic-guidelines-for-visual-stress-pattern-related-visual-stress
#14
Bruce J W Evans, Peter M Allen, Arnold J Wilkins
PURPOSE: Visual stress (VS) is characterised by symptoms of visual perceptual distortions and eyestrain when viewing text, symptoms that are alleviated by individually prescribed coloured filters. A recent review supports the existence of VS and its treatment, but noted that controversy remains, in part due to inconsistencies in the diagnosis of the condition. The present paper reviews the diagnostic criteria for VS in the literature and reports a Delphi analysis of the criteria currently used in clinical practice...
July 2017: Journal of Optometry
https://www.readbyqxmd.com/read/27771241/botulinum-toxin-for-treatment-of-restrictive-strabismus
#15
Pilar S Merino, Rebeca E Vera, Laura G Mariñas, Pilar S Gómez de Liaño, Jose V Escribano
PURPOSE: To study the types of acquired restrictive strabismus treated in a tertiary hospital and the outcome of treatment with botulinum toxin. METHODS: We performed a 10-year retrospective study of patients with restrictive strabismus aged ≥18 years who were treated with botulinum toxin. Treatment was considered successful if the final vertical deviation was ≤5 PD, horizontal deviation ≤10 PD, with no head turn or diplopia. RESULTS: We included 27 cases (mean age, 61...
July 2017: Journal of Optometry
https://www.readbyqxmd.com/read/27639497/influence-of-different-types-of-astigmatism-on-visual-acuity
#16
Laura Remón, Juan A Monsoriu, Walter D Furlan
PURPOSE: To investigate the change in visual acuity (VA) produced by different types of astigmatism (on the basis of the refractive power and position of the principal meridians) on normal accommodating eyes. METHODS: The lens induced method was employed to simulate a set of 28 astigmatic blur conditions on different healthy emmetropic eyes. Additionally, 24 values of spherical defocus were also simulated on the same eyes for comparison. VA was measured in each case and the results, expressed in logMAR units, were represented against of the modulus of the dioptric power vector (blur strength)...
July 2017: Journal of Optometry
https://www.readbyqxmd.com/read/27544414/visual-fatigue-while-watching-3d-stimuli-from-different-positions
#17
J Antonio Aznar-Casanova, August Romeo, Aurora Torrents Gómez, Pedro Martin Enrile
PURPOSE: When observers focus their stereoscopic visual system for a long time (e.g., watching a 3D movie) they may experience visual discomfort or asthenopia. We tested two types of models for predicting visual fatigue in a task in which subjects were instructed to discriminate between 3D characters. One model was based on viewing distance (focal distance, vergence distance) and another in visual direction (oculomotor imbalance). METHOD: A 3D test was designed to assess binocular visual fatigue while looking at 3D stimuli located in different visual directions and viewed from two distances from the screen...
July 2017: Journal of Optometry
https://www.readbyqxmd.com/read/27461520/myoring-treatment-of-myopia
#18
Albert Daxer
INTRODUCTION: Laser Vision Correction is not always possible for the treatment of myopia. The aim of this paper is to present results after MyoRing implantation in myopic eyes who in their majority were not eligible for LVC. Safety, effectivity and patient selection is discussed. The aim of the treatment was to be spectacle independent in everyday-life. MATERIALS AND METHODS: 19 myopic eyes of 12 patients ranging from -2.25 to -16.5 dioptres (D) in sphere and from 0 to -4D in cylinder were analyzed...
July 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28372637/better-methods-of-clinically-assessing-mucus-functions-are-required
#19
EDITORIAL
Charles W McMonnies
No abstract text is available yet for this article.
April 2017: Journal of Optometry
https://www.readbyqxmd.com/read/27423689/parents-awareness-and-perception-of-children-s-eye-diseases-in-nigeria
#20
Jennifer A Ebeigbe, Chike Martin Emedike
PURPOSE: Most causes of childhood blindness are treatable or preventable. Knowledge of parents' awareness and perception of eye problems is important in helping to understand parents' eye care seeking behavior. This understanding becomes necessary as early detection and intervention can be effective when done at an early age. METHOD: Study was carried out in Benin City, Nigeria. Thirty-five parents aged 38-54 years with a mean age of 43(±2) years were recruited...
April 2017: Journal of Optometry
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